# Cernion VDMI API

**Canonical:** https://apis.io/apis/cernion-de/cernion-de-vdmi-api/  
**Provider:** Cernion — https://apis.io/providers/cernion-de/  
**Base URL:** https://api.cernion.de  
**Documentation:** https://api.cernion.de/api/docs

Cernion VDMI API is one of 144 APIs that [Cernion](https://apis.io/providers/cernion-de/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include VDMI. The published artifact set on APIs.io includes an OpenAPI specification.

The VDMI API from Cernion — 19 operation(s) for vdmi.

## Operations (21)

| Method | Path | Summary |
|---|---|---|
| GET | `/api/vdmi` | List VDMI matrix instances |
| POST | `/api/vdmi` | Create an ad-hoc VDMI matrix |
| GET | `/api/vdmi/:id` | Get one VDMI matrix instance |
| PATCH | `/api/vdmi/:id` | Human override of matrix fields |
| POST | `/api/vdmi/detect` | Infer VDMI roles from event sequence |
| GET | `/api/vdmi/templates` | List standard VDMI templates |
| GET | `/api/vdmi/audit` | Get VDMI audit events |
| GET | `/api/vdmi/nominations` | List nomination requests |
| POST | `/api/vdmi/:id/nominate` | Nominate ad-hoc matrix as standard template candidate |
| POST | `/api/vdmi/:id/confirm-nomination` | Confirm or reject nomination and optionally create standard template |
| GET | `/api/vdmi/my-responsibilities` | List matrices where caller has V role |
| GET | `/api/vdmi/my-informed` | List matrices where caller has I role |
| GET | `/api/vdmi/agent/:agentId/role` | Return guardrail role for an agent |
| GET | `/api/vdmi/context` | Get active matrix context for a running job |
| POST | `/api/vdmi/:id/revert` | Revert matrix to previous version snapshot |
| POST | `/api/vdmi/:id/evidence` | Inject manual evidence for offline process reality |
| GET | `/api/vdmi/tasks/:taskId/negotiation-trace` | Get full A2A negotiation trace for one task |
| GET | `/api/vdmi/tasks/:taskId/dossier` | Get condensed decision dossier for V role |
| GET | `/api/vdmi/findings` | List VDMI governance findings |
| POST | `/api/vdmi/findings/:findingId/mitigate` | Submit mitigation plan for a VDMI finding |
| POST | `/api/vdmi/findings/:findingId/resolve` | Resolve a VDMI finding |

## Machine-readable artifacts (1)

- **OpenAPI** — https://artifacts.apis.io/cernion-de/openapi/cernion-de-vdmi-api-openapi.yml

## Other Cernion APIs (12)

- [Cernion Actor Personas API](https://apis.io/apis/cernion-de/cernion-de-actor-personas-api/)
- [Cernion Agent Manifest API](https://apis.io/apis/cernion-de/cernion-de-agent-manifest-api/)
- [Cernion Agent Receipts API](https://apis.io/apis/cernion-de/cernion-de-agent-receipts-api/)
- [Cernion Agent Sidecar API](https://apis.io/apis/cernion-de/cernion-de-agent-sidecar-api/)
- [Cernion Agnes Bottleneck API](https://apis.io/apis/cernion-de/cernion-de-agnes-bottleneck-api/)
- [Cernion AI Agent API](https://apis.io/apis/cernion-de/cernion-de-ai-agent-api/)
- [Cernion Altdaten Assessment API](https://apis.io/apis/cernion-de/cernion-de-altdaten-assessment-api/)
- [Cernion Analytics API](https://apis.io/apis/cernion-de/cernion-de-analytics-api/)
- [Cernion Assets API](https://apis.io/apis/cernion-de/cernion-de-assets-api/)
- [Cernion Authentication API](https://apis.io/apis/cernion-de/cernion-de-authentication-api/)
- [Cernion Automatisierungsradar API](https://apis.io/apis/cernion-de/cernion-de-automatisierungsradar-api/)
- [Cernion Battery Redispatch Special Gate API](https://apis.io/apis/cernion-de/cernion-de-battery-redispatch-special-gate-api/)

## Tags

VDMI

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/cernion-de/cernion-de-vdmi-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/cernion-de/.